Which reaction is useful in exchange for halogen in alkyl chloride by...
The reaction that is useful in exchange for halogen in alkyl chloride by iodide is the Finkelstein reaction. This reaction is used in the preparation of alkyl iodide by the reaction of alkyl! Chloride, bromide with Mai in dry acetone.
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Which reaction is useful in exchange for halogen in alkyl chloride by...
Finkelstein reaction is useful in exchange for halogen in alkyl chloride by iodide.
Explanation:
The Finkelstein reaction involves the exchange of halogens in an alkyl halide by treatment with a metal halide salt. The reaction is used to convert alkyl chlorides and bromides to the corresponding iodides, which are more reactive and useful in various organic reactions.
Mechanism of Finkelstein reaction:
The Finkelstein reaction proceeds through a simple nucleophilic substitution mechanism. The metal halide salt, usually sodium or potassium iodide, acts as a source of iodide ion, which attacks the carbon atom of the alkyl chloride, displacing the chloride ion.
The reaction can be represented as follows:
R-Cl + NaI → R-I + NaCl
The reaction is usually carried out in an aprotic solvent such as acetone or DMF, which helps to solubilize the reagents and the products.
Advantages of Finkelstein reaction:
1. The Finkelstein reaction is a simple and efficient method for converting alkyl chlorides and bromides to the corresponding iodides.
2. The reaction is usually carried out under mild conditions and does not require any special equipment or reagents.
3. The reaction can be used to prepare a wide range of alkyl iodides, which are useful in various organic reactions.
4. The reaction is relatively inexpensive and can be easily scaled up for industrial applications.
Conclusion:
Thus, the Finkelstein reaction is a useful method for exchanging halogens in alkyl chlorides by iodide. The reaction is simple, efficient, and widely used in organic synthesis.
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